Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katelyn Nielsen

Individual provider Physician Assistant · NPI 1649900663

Katelyn Nielsen is a Physician Assistant in Ontario, Oregon. Licensed in Idaho and Oregon. Registered with an NPI since 2022.

Licensed in
ID, OR
In the registry since
2022
Specialties on file
2

Practice location Address checks out

840 SW 4th Ave Ste 105
Ontario, OR 97914-2638
Phone: (418) 892-6685
Fax: (541) 889-2997
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA217656 (OR)
Physician Assistant Taxonomy 363A00000X · Licence PA2694 (ID)

Record details

NPI number1649900663
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 13, 2022
Last updated in NPPESJanuary 14, 2026
Certification dateJanuary 14, 2026
Mailing address1441 Ne 10th Ave, Payette, ID 83661-5420

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